YX 150cc 160cc Bearings Kit For 1P60FMJ 1P60FMK Engine Pit Dirt Bike This bearings kit is designed for use with 1P60FMJ and 1P60FMK engine models found in 150cc and 160cc pit dirt bikes.It includes a complete set of bearings required for engine assembly and repair.The components are engineered to match specifications for performance and smooth.Suitable for routine maintenance or full engine rebuilds, the kit supports proper crankshaft, transmission, and clutch function.All bearings are matched to the dimensional and tolerance requirements of the YX 150cc and 160cc engine platforms.This item is a compatible alternative.Use of brand identifiers is limited to showing which models it fits.